1. Institute of Geomechanics, Chinese Academy of Geological Sciences, Beijing 100081, China
2. Key Laboratory of Paleomagnetism and Tectonic Reconstruction, Ministry of Natural Resources, Beijing 100081, China
3. Shanxi Key Laboratory of Coal and Coal-Measure Gas Geology, Taiyuan University of Technology, Taiyuan 030024, China
4. State Key Laboratory of Petroleum Resource and Prospecting, China University of Petroleum, Beijing 102249, China